Ads
related to: elevator interlocks for doors
Search results
Results from the WOW.Com Content Network
For example, elevators are equipped with an interlock that prevents the moving elevator from opening its doors and prevents the stationary elevator (with open doors) from moving. Interlocks may include sophisticated elements such as curtains of infrared beams, photodetectors, simple switches, and locks.
Access into the elevator shaft (Hoistway) is often achieved using an elevator key—like those carried by first responders and building maintenance staff—to open the outer doors. Alternatively, participants may utilize lock picking techniques or use tools like coat hangers and metallic bars to force the elevator car's door interlock open ...
In time, safety interlocks would ensure that the inner and outer doors were closed before the elevator was allowed to move. This lever would allow some control over the energy supplied to the motor and so enabled the elevator to be accurately positioned—if the operator was sufficiently skilled.
Entrance to HM Prison Edinburgh. A mantrap, security mantrap portal, airlock, sally port or access control vestibule is a physical security access control system comprising a small space with two sets of interlocking doors, such that the first set of doors must close before the second set opens.
A paternoster in Prague Paternoster elevator in The Hague, when it was still in operation. A paternoster (/ ˌ p eɪ t ər ˈ n ɒ s t ər /, / ˌ p ɑː-/, or / ˌ p æ-/) or paternoster lift is a passenger elevator which consists of a chain of open compartments (each usually designed for two people) that move slowly in a loop up and down inside a building without stopping.
A Minnesota couple has reportedly been sentenced to four years after they locked their children in cages for "their safety." Benjamin and Christina Cotton from Red Wing, were sentenced by a ...
This is a trapped-key interlock on the door of an electrical switchgear cabinet. It is attached with one-way security screws to discourage casual removal, which would defeat the interlock scheme. Trapped-key interlocking utilizes locks and keys for sequential control of equipment and machinery to ensure safe operation. Trapped-key interlocks ...
The last image we have of Patrick Cagey is of his first moments as a free man. He has just walked out of a 30-day drug treatment center in Georgetown, Kentucky, dressed in gym clothes and carrying a Nike duffel bag.
Ads
related to: elevator interlocks for doors